Home / 310,478,766.30-465,718,149.45-264,314,258.10

Finding the Fourth Proportional to 310,478,766.30, 465,718,149.45 and 264,314,258.10

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Solution

The fourth proportional to 310,478,766.30, 465,718,149.45 and 264,314,258.10 is: 396,471,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,478,766.30 : 465,718,149.45 = 264,314,258.10 : x
  2. Step 2: Convert to fraction form
    310,478,766.30/465,718,149.45 = 264,314,258.10/x
  3. Step 3: Cross multiply
    310,478,766.30x = 465,718,149.45 × 264,314,258.10
  4. Step 4: Simplify right side
    310,478,766.30x = 123,095,947,155,581,664
  5. Step 5: Solve for x
    x = 123,095,947,155,581,664/310,478,766.30
  6. Step 6: Final answer
    x = 396,471,387.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.